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White screen after SSD upgrade, using bootable flash drive

Hi,

After upgrading the HD in my imac 20" to a Samsung 850 evo ssd, I get stuck on a white scree after trying to boot up from flash drive with a bootable version of Mavericks.

Doesn't seem like the SSD is being recognized??

Anyone have any ideas of why?

Thanks for the help...

Answer this question I have this problem too

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1 Answer

What happens when you try booting up under the USB thumb drive with the Samsung drive disconnected, are you able to boot up? If not then you have a problem with the thumb drive setup which you'll need to fix using another Mac to redo.

I would also check to make sure your firmware was up to date. Follow this Apple T/N: EFI and SMC firmware updates for Intel-based Macs.

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